Promising ferroelectric materials suffer from unexpected electric polarizations
(Phys.org) —Electronic devices with unprecedented efficiency and data storage may someday run on ferroelectrics—remarkable materials that use built-in electric polarizations to read and write digital ...
Charging with ultrasound: uBeam has functional prototype
Algorithm recovers speech from vibrations of potato-chip bag filmed through soundproof glass
Researchers at MIT, Microsoft, and Adobe have developed an algorithm that can reconstruct an audio signal by analyzing minute vibrations of objects depicted in video. In one set of experiments, they were ...
Booming electric car sales under fire in Norway
Ministers in Norway—a major and rich oil-producing country—are under increasing public pressure to reduce perks and tax breaks for booming electric car sales.
London transport body to test battery-charging at bus stands
Indonesia passes law to tap volcano power
The Indonesian parliament on Tuesday passed a long-awaited law to bolster the geothermal energy industry and tap the power of the vast archipelago's scores of volcanoes.
Laser pulse turns glass into a metal
For tiny fractions of a second, quartz glass can take on metallic properties, when it is illuminated be a laser pulse. This has been shown by calculations at the Vienna University of Technology. The effect ...
Laser device may end pin pricks, improve quality of life for diabetics
(Phys.org) —Princeton University researchers have developed a way to use a laser to measure people's blood sugar, and, with more work to shrink the laser system to a portable size, the technique could allow ...
Two dynamos drive Jupiter's magnetic field
(Phys.org) —Superlatives are the trademark of the planet Jupiter. The magnetic field at the top edge of the cloud surrounding the largest member of the solar system is around ten times stronger than Earth's, ...
New non-metallic metamaterial enables team to 'compress' and contain light
The invention of fiber optics revolutionized the way we share information, allowing us to transmit data at volumes and speeds we'd only previously dreamed of.
Laser 'Lightning rods' channel electricity through thin air
By zapping the air with a pair of powerful laser bursts, researchers at the University of Arizona have created highly focused pathways that can channel electricity through the atmosphere.
Making an e-bike out of a bicycle with conversion kit
Electric bugs used to detect water pollution
(Phys.org) —Scientists from our Department of Chemical Engineering have developed a low-cost device that could be used in developing countries to monitor the quality of drinking water in real time without ...
Used-cigarette butts offer energy storage solution
A group of scientists from South Korea have converted used-cigarette butts into a high-performing material that could be integrated into computers, handheld devices, electrical vehicles and wind turbines ...